Enter a command. For example: dd, brightness, qlmanage, whatis.


Access kernel state information. More information:
  • Show all available variables and their values:
    sysctl -a
  • Show Apple model identifier:
    sysctl -n hw.model
  • Show CPU model:
    sysctl -n machdep.cpu.brand_string
  • Show available CPU features (MMX, SSE, SSE2, SSE3, AES, etc):
    sysctl -n machdep.cpu.features
  • Set a changeable kernel state variable:
    sysctl -w {{section.tunable}}={{value}}

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